Steel plate surface oxide scale cleaning machine

By designing a steel plate surface iron oxide cleaning machine including a grinding drum, a grinding head, a conveyor and a collection device, the problems of complex rust removal of double-sided steel plates and low grinding efficiency of multiple sets of steel plates in the prior art are solved, and efficient The double-sided side is simultaneously polished and rust-removed and iron oxide sheet collected to meet the welding quality requirements.

CN222520906UActive Publication Date: 2025-02-25BENGANG STEEL PLATES CO LTD
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Patent Information

Application Number
CN202421255824.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-04
Publication Date
2025-02-25
Estimated Expiration
2034-06-04

AI Technical Summary

Technical Problem

The prior art is difficult to remove rust on double-sided steel plates at the same time, and when processing multiple sets of steel plates, the grinding efficiency is low, so it is impossible to achieve rust removal at the same time while multiple sets of steel plates, and it is impossible to collect the removed iron oxide sheet.

Method used

A steel plate surface iron oxide sheet cleaning machine is designed, including a grinding drum, a grinding head, a conveyor wheel and a collection device. Through the combination of multiple sets of grinding drums and grinding heads, the double-sided steel plates are simultaneously polished and rust-removed, and the removed iron oxide sheet is collected through the fan and the collection device.

Benefits of technology

It realizes efficient grinding and rust removal of multiple sets of steel plates, can process double-sided steel plates at the same time, meets welding quality requirements, and can collect iron oxide sheets, improving the processing efficiency and practicality of the equipment.

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Abstract

The utility model relates to the technical field of steel plate continuous annealing thermal simulation, in particular to a steel plate surface oxide scale cleaning machine. Comprising a machine body, a grinding roller, a grinding head, a conveying wheel and a collecting device, the conveying wheels are driven by a first motor to rotate, and steel plates are conveyed through the conveying wheels. The polishing rollers are symmetrically arranged up and down in pairs, the steel plate is located between the polishing rollers in pairs, and the polishing rollers are driven by a second motor to rotate and polish the upper surface and the lower surface of the steel plate at the same time; the polishing heads are arranged in pairs, the steel plate is located between the polishing heads in pairs, the polishing heads are driven by a third motor to rotate, and one face and the other face of a certain position of the steel plate are polished at the same time; one end of the fan is connected with a machine body pipeline, and the other end of the fan is connected with a storage box pipeline. The device is simple in structure and high in grinding efficiency, multiple sets of iron plates can be ground and derusted at the same time, removed oxide scales can be collected, and the welding quality requirement can be met.
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Description

Technical Field

[0001] The utility model relates to the technical field of steel plate continuous cooling simulation, in particular to a machine for cleaning iron oxide scale on the surface of a steel plate. Background Art

[0002] Before the steel plate is subjected to continuous cooling simulation, it is necessary to weld the thermocouple to the steel plate. In order to meet the welding quality requirements, it is necessary to ensure that there is no iron oxide scale on the surface of the steel plate to be welded. After the thermal simulation test, a certain thickness of iron oxide scale will be formed on the surface of the steel plate due to the high temperature. In order to avoid the iron oxide scale debris on the surface of the specimen falling off and affecting the function of the tensile testing machine during the subsequent tensile test, it is also necessary to clean the iron oxide scale on the surface of the steel plate after the thermal simulation.

[0003] The Chinese patent document with application number CN202021828168.9 discloses "a device for removing rust from the surface of steel plates for mechanical processing". The device can complete the rust removal on one side of the steel plate, but the operation is complicated for steel plates that need to be rusted on both sides, and it is impossible to remove rust from both sides at the same time. Moreover, when the number of steel plates that need to be rusted is large, the grinding efficiency is very low, and multiple groups of steel plates cannot be ground and rusted at the same time.

[0004] The Chinese patent document with application number CN200820077257.7 discloses "a device for removing iron oxide scale from steel plates" which can conveniently remove the iron oxide scale on steel plates entering the heat treatment furnace online. The Chinese patent document with application number CN202122368720.1 discloses "a device for removing iron oxide scale from steel plates by wire rollers", which uses the physical power of the wire roller brush rotating on the surface of the steel plate to effectively solve the problem of removing the iron oxide scale on the surface of the steel plate during the processing of the steel plate. However, the above two devices cannot collect the removed iron oxide scale. Utility Model Content

[0005] In order to overcome the shortcomings of the prior art, the utility model provides a machine for cleaning iron oxide scale on the surface of a steel plate, which has high grinding efficiency, can grind and remove rust on multiple groups of iron plates at the same time, can collect the removed iron oxide scale, and can meet the welding quality requirements.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A machine for cleaning iron oxide scale on the surface of a steel plate comprises a machine body and a grinding roller, a grinding head, a conveying wheel and a collecting device installed on the machine body; the conveying wheel is driven to rotate by a first motor, and the steel plate is conveyed by the conveying wheel; the grinding rollers are arranged symmetrically in pairs up and down, the steel plate is located between the paired grinding rollers, the grinding rollers are driven to rotate by a second motor, and the upper and lower surfaces of the steel plate are simultaneously polished; the grinding heads are arranged in pairs on the left and right, the steel plate is located between the paired grinding heads, the grinding heads are driven to rotate by a third motor, and the left and right surfaces of the steel plate are simultaneously polished; the collecting device is provided with a fan, one end of the fan is connected to the machine body pipeline, and the other end is connected to the storage box pipeline.

[0008] Furthermore, the machine body includes a bottom plate, a protective plate, a top plate and a power box; the protective plate is vertically fixed to both sides of the top surface of the bottom plate, the top plate is fixed to the top of the protective plate, and the power box is fixed to the bottom surface of the bottom plate.

[0009] Furthermore, a transmission frame is arranged on the inner wall of the protective plate, a first transmission shaft is rotatably arranged on the transmission frame, and the conveying wheel is installed on the first transmission shaft; a second transmission shaft is rotatably arranged on the protective plate, and the grinding roller is detachably installed on the second transmission shaft and can move along the second transmission shaft.

[0010] Furthermore, the protective plate is provided with an opening, a feed pipe is provided at the opening, and the feed pipe is connected to the fan; the fan is provided with a discharge port, a connecting buckle is provided at the discharge port, and the discharge port is connected to the storage box pipe through the connecting buckle.

[0011] Furthermore, the connection buckle is circular in shape, and a plurality of groups of openings arranged in a circular shape are provided on the outer wall of the connection buckle.

[0012] Furthermore, it also includes a conveying frame and a supporting frame. The conveying frame is tilted downward and fixed to the protective plate. One end of the supporting frame is fixed to the protective plate, and the other end of the supporting frame is connected to the conveying frame. The supporting frame is used to support the conveying frame.

[0013] Furthermore, it also includes a fixed bracket, which is installed on the power box, and the third motor is installed on the fixed bracket, and the third motor is connected to the grinding head; the fixed bracket consists of two parts, each part is provided with a group of third motors, the two parts of the fixed bracket are installed on the slide rail, and the distance between the two parts of the fixed bracket is adjusted by the slide rail.

[0014] Furthermore, it also includes a lifting rod, the bottom of the lifting rod is fixedly connected to the fixed bracket, and the third motor is fixedly connected to the top of the lifting rod.

[0015] Furthermore, it also includes a hydraulic buffer rod, which is fixed to the bottom of the power box.

[0016] Furthermore, it also includes an anti-skid pad, which is fixed to the bottom of the hydraulic buffer rod. The anti-skid pad is circular in shape, and a plurality of groups of annular patterns are arranged on the bottom of the anti-skid pad.

[0017] Compared with the prior art, the utility model has at least the following technical effects or advantages:

[0018] 1. When in use, the steel plate is transported by the conveying wheel, and the first motor is started to drive the first transmission shaft and the conveying wheel to rotate, driving the steel plate to move. During the movement, the second motor is started to drive the second transmission shaft and the grinding roller to rotate to grind the steel plate. The steel plates of different widths can be grinded by moving the position of the grinding roller. The steel plates of different thicknesses can be grinded by removing the grinding roller from the second transmission shaft and replacing it with grinding rollers of different sizes. Multiple groups of steel plates can be grinded uninterruptedly at the same time through transportation, and double-sided grinding can be achieved simultaneously through multiple groups of grinding rollers.

[0019] The utility model solves the problem that the traditional method can complete the rust removal on one side of the steel plate, but the operation is complicated for the steel plates that need to be rusted on both sides, and it is impossible to rust-remove both sides at the same time. Moreover, when the number of steel plates that need to be rusted is large, the grinding efficiency is very low, and it is impossible to grind and rust-remove multiple groups of steel plates at the same time.

[0020] 2. When in use, the fan is started, and the waste and debris left after grinding are extracted through the feed pipe, and connected to the storage box through the discharge port for collection.

[0021] When connecting the pipeline, the circular connecting buckle is used to fix the circular pipeline, and the bolt is inserted into the opening provided on the outer wall of the connecting buckle and tightened to fix it, so as to prevent disconnection during connection.

[0022] 3. When in use, the third motor is started, and the third transmission shaft rotates to drive the grinding head to work. The steel plate is placed between the two sets of grinding heads. The two sets of grinding heads are used to grind one side and the other side of a certain position of the steel plate at the same time, thereby meeting the welding standards.

[0023] 4. The utility model has a second transmission shaft rotatably arranged on the protective plate, and the grinding roller is detachably mounted on the second transmission shaft and can move along the second transmission shaft. The steel plates of different widths can be ground by moving the position of the grinding roller, and the grinding roller can be removed from the second transmission shaft and replaced with grinding rollers of different sizes to grind steel plates of different thicknesses. The utility model is suitable for steel plates of different thicknesses and widths, and has strong practicality.

[0024] 5. The utility model uses a hydraulic buffer rod to maintain the stability of the device and provide buffering to prevent the device from shaking drastically during operation, which may lead to accidents. The anti-skid pad prevents the device from sliding during operation. The annular pattern on the bottom of the anti-skid pad has more comprehensive anti-skid properties than the strip anti-skid pattern, and can enhance the anti-skid ability in all directions. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic front view of the structure of the utility model.

[0026] Figure 2 It is a three-dimensional structural schematic diagram of the utility model.

[0027] Figure 3 It is a three-dimensional structural schematic diagram of the utility model from another angle.

[0028] Figure 4 It is a sectional view of the three-dimensional structure of the utility model.

[0029] Figure 5 It is a schematic diagram of the three-dimensional structure of the utility model when viewed from above.

[0030] In the figure: 1-protection plate, 2-first drive motor, 3-bottom plate, 4-power box, 5-hydraulic buffer rod, 6-anti-slip pad, 11-conveying frame, 12-support frame, 13-second drive motor, 14-top plate, 15-conveying wheel, 16-grinding roller, 17-transmission frame, 18-first transmission shaft, 19-second transmission shaft, 20-connecting buckle, 21-discharge port, 22-fan, 23-feeding pipe, 24-third drive motor, 25-grinding head, 26-electric lifting rod, 27-fixed bracket, 28-third transmission shaft, 29-slide rail. DETAILED DESCRIPTION

[0031] The embodiments of the present invention are described in detail below. In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described in combination with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and is by no means intended to limit the present invention and its application or use. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0033] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0034] In the description of the utility model, it should be noted that the terms used herein are only for describing specific embodiments, and are not intended to limit the exemplary embodiments according to the utility model. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0035] Unless otherwise specifically stated, the relative arrangement of the parts and steps described in these embodiments, the numerical expressions and numerical values ​​do not limit the scope of the utility model. At the same time, it should be clear that, for ease of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship. The technology, methods and equipment known to ordinary technicians in the relevant field may not be discussed in detail, but in appropriate cases, the technology, methods and equipment should be regarded as part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0036] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. If not otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of the utility model.

[0037] [Example]

[0038] like Figure 1-5 As shown, a steel plate surface oxide scale cleaning machine includes a bottom plate 3, a protective plate 1 is arranged on the top surface of the bottom plate 3, two protective plates 1 are parallel to each other, arranged vertically, and vertically fixed to both sides of the top surface of the bottom plate 3. A top plate 14 is horizontally fixed to the top of the protective plate 1, and a power box 4 is fixed to the bottom surface of the bottom plate 4.

[0039] A transmission frame 17 is provided on the inner wall of the protection plate 1. A plurality of first transmission shafts 18 are rotatably provided on the transmission frame 17. The first transmission shaft 18 is provided with a conveying wheel 15. The first transmission shaft 18 is mounted on a bearing. The bearing is mounted on a bearing seat. The bearing seat is fixedly connected to the transmission frame 17. A first driving motor 2 is provided on the outer wall of the protection plate 1. The first transmission shaft 18 is connected to the first driving motor 2. Similarly, a second transmission shaft 19 is rotatably provided on the outer wall of the protection plate 1. The second transmission shaft 19 is provided with a grinding roller 16. The grinding roller 16 is provided with a plurality of groups. The grinding roller 16 can move along the second transmission shaft 19. A second driving motor 13 is provided on the outer wall of the protection plate 1. The second transmission shaft 19 is connected to the second driving motor 13.

[0040] When in use, the steel plate is transported by the conveying wheel 15, and the first drive motor 2 is started to drive the first transmission shaft 18 and the conveying wheel 15 to rotate, and the steel plate is driven to move. During the movement, the second drive motor 13 is started to drive the second transmission shaft 19 and the grinding roller 16 to rotate to grind the steel plate. The steel plates of different widths are grinded by moving the position of the grinding roller 16, and the position of the grinding roller 16 is fixed by the top screw. After the position is determined, the screw is tightened to fix the grinding roller 16 to the second transmission shaft 19, and the grinding roller 16 is rotated for grinding. When adjusting the position, the screw is loosened, and the position is adjusted by manually controlling the sliding. By loosening the top screw, the grinding roller 16 is removed from the second transmission shaft 19 and replaced with grinding rollers 16 of different sizes to grind steel plates of different thicknesses. Multiple groups of steel plates can be grinded uninterruptedly at the same time through transportation, and multiple groups of grinding rollers 16 can be used to grind both sides at the same time. This method avoids the problem that the traditional method can complete the rust removal on one side of the steel plate, but the operation is complicated for steel plates that need to be rusted on both sides, and it is impossible to rust-remove both sides at the same time. Moreover, when the number of steel plates that need to be rust-removed is large, the grinding efficiency is very low, and it is impossible to grind and rust-remove multiple groups of steel plates at the same time.

[0041] In order to discharge the waste after grinding, such as Figure 2 , 3As shown in , 4, the protective plate 1 is provided with an opening, a feed pipe 23 is provided at the opening, the feed pipe 23 is connected to the fan 22, the fan 22 is provided with a discharge port 21, the discharge port 21 is provided with a connecting buckle 20, the connecting buckle 20 is circular in shape, and the outer wall of the connecting buckle 20 is provided with multiple groups of openings arranged in a circular shape.

[0042] When in use, the fan 22 is started, and the waste and debris left after grinding are extracted through the feed pipe 23, and sent to the storage box for collection through the pipe connected to the discharge port 21. When connecting the pipe, it is fixed to the circular pipe through the circular connecting buckle 20, and the bolts are inserted through the openings set in the outer wall of the connecting buckle 20 and tightened to prevent disconnection during connection.

[0043] In order to transport the polished steel plates, Figure 1 , 3 As shown, a conveying frame 11 is provided on the outer wall of the protective plate 1 , and the conveying frame 11 is fixed to the outer wall of the protective plate 1 at an angle of 45 degrees. A supporting frame 12 is provided on the outer wall of the protective plate 1 , and the other end of the supporting frame 12 is connected to the conveying frame 11 .

[0044] When in use, the steel plate that has been polished is transported to the conveying rack 11 , slides through the conveying rack 11 inclined at 45 degrees, falls into the conveyor belt or the storage box placed in advance, and the conveying rack 11 is supported by the support frame 12 .

[0045] In order to perform single-point double-sided corresponding grinding, that is, grinding one side and the other side of a certain position of the steel plate at the same time, such as Figure 1 , 2 As shown, a fixed bracket 27 is provided on the outer wall of the power box 4, and a third drive motor 24 is provided on the fixed bracket 27. Two groups of third drive motors 24 are symmetrically provided. The output shaft of the third drive motor 24 is connected to the third transmission shaft 28, and the third transmission shaft 28 is connected to the grinding head 25. The size of the grinding head 25 is the size of a one-yuan coin, and the two groups of grinding heads 25 are symmetrically positioned.

[0046] When in use, the third drive motor 24 is started, and the third transmission shaft 28 rotates to drive the grinding head 25 to work. The steel plate is placed between the two groups of grinding heads 25, and single-point double-sided relative position grinding is performed by the two groups of grinding heads 25 to meet the welding standards.

[0047] In order to adjust the height of single-point grinding operation for operators of different heights, Figure 1 , 3 As shown, the fixed bracket 27 is divided into two parts, each part includes a group of third drive motors, and the two parts of the fixed bracket 27 are installed on the slide rail 29. The top outer wall of the fixed bracket 27 is provided with an electric lifting rod 26. There are eight groups of electric lifting rods 26 arranged in parallel. The top of the electric lifting rod 26 is connected to the bottom of the third drive motor 24.

[0048] When in use, the height of the third drive motor 24 can be adjusted by the synchronous rise and fall of the electric lifting rod 26, so that it is convenient for operators of different heights to use it. The distance between the two groups of grinding heads 25 can be adjusted by the slide rail 29, so that double-sided single-point grinding of corresponding positions of steel plates of different thicknesses can be performed, which is more convenient to use.

[0049] In order to prevent the device from shaking and sliding significantly during operation, Figure 5 As shown, the outer wall of the power box 4 is provided with a hydraulic buffer rod 5, and four groups of hydraulic buffer rods 5 are arranged in parallel. An anti-skid pad 6 is arranged at the bottom of the hydraulic buffer rod 5. The anti-skid pad 6 is circular in shape, and multiple groups of annular patterns are arranged at the bottom of the anti-skid pad 6.

[0050] When in use, the device is supported by the hydraulic buffer rod 5 to maintain the stability of the device. When the device is running, the hydraulic buffer rod 5 is used for buffering to prevent the device from shaking drastically during operation and causing accidents. The anti-skid pad 6 is used to prevent the device from sliding during operation. The annular texture arranged on the bottom of the anti-skid pad 6 has more comprehensive anti-skid properties than the strip anti-skid texture, and can enhance the anti-skid ability in all directions.

[0051] The utility model has high grinding efficiency, can grind and remove rust on multiple groups of iron plates at the same time, can collect the removed iron oxide scale, and can meet the welding quality requirements.

[0052] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A machine for cleaning iron oxide scale on steel plate surface, characterized in that: It includes a machine body and a grinding drum, a grinding head, a conveying wheel and a collecting device installed on the machine body; The conveying wheel is driven to rotate by the first motor, and the steel plate is conveyed by the conveying wheel; The grinding rollers are symmetrically arranged in pairs, the steel plate is located between the paired grinding rollers, the grinding rollers are driven to rotate by the second motor, and the upper and lower surfaces of the steel plate are ground simultaneously; The grinding heads are arranged in pairs, the steel plate is located between the paired grinding heads, the grinding heads are driven to rotate by a third motor, and grind one side and the other side of a certain position of the steel plate simultaneously; The collecting device is provided with a fan, one end of which is connected to the machine body pipeline, and the other end of which is connected to the storage box pipeline.

2. The machine for cleaning iron oxide scale on the surface of steel plate according to claim 1, characterized in that: The machine body comprises a bottom plate, a protective plate, a top plate and a power box; The protection plate is vertically fixed to both sides of the top surface of the base plate, the top plate is fixed to the top of the protection plate, and the power box is fixed to the bottom surface of the base plate.

3. The machine for cleaning iron oxide scale on the surface of steel plate according to claim 2, characterized in that: A transmission frame is arranged on the inner wall of the protection plate, a first transmission shaft is rotatably arranged on the transmission frame, and a conveying wheel is mounted on the first transmission shaft; A second transmission shaft is rotatably arranged on the protection plate, and the grinding roller is detachably mounted on the second transmission shaft and can move along the second transmission shaft.

4. The machine for cleaning iron oxide scale on the surface of steel plate according to claim 2, characterized in that: The protective plate is provided with an opening, a material conveying pipe is provided at the opening, and the material conveying pipe is connected to the fan; The fan is provided with a discharge port, and a connecting buckle is provided at the discharge port. The discharge port is connected with the storage box pipeline through the connecting buckle.

5. The machine for cleaning iron oxide scale on the surface of steel plate according to claim 4, characterized in that: The connecting buckle is circular in shape, and a plurality of groups of openings arranged in a circular shape are arranged on the outer wall of the connecting buckle.

6. The machine for cleaning iron oxide scale on the surface of steel plate according to claim 2, characterized in that: It also includes a conveying frame and a supporting frame. The conveying frame is tilted downward and fixedly connected to the protective plate. One end of the supporting frame is fixedly connected to the protective plate, and the other end of the supporting frame is connected to the conveying frame. The supporting frame is used to support the conveying frame.

7. The machine for cleaning iron oxide scale on the surface of steel plate according to claim 2, characterized in that: It also includes a fixed bracket, the fixed bracket is installed on the power box, the third motor is installed on the fixed bracket, and the third motor is connected to the grinding head; The fixed bracket is composed of two parts, each part is provided with a group of third motors, the two parts of the fixed bracket are installed on the slide rail, and the distance between the two parts of the fixed bracket is adjusted by the slide rail.

8. The machine for cleaning iron oxide scale on the surface of steel plate according to claim 7, characterized in that: It also includes a lifting rod, the bottom of which is fixedly connected to the fixed bracket, and the third motor is fixedly connected to the top of the lifting rod.

9. The machine for cleaning iron oxide scale on the surface of steel plate according to claim 2, characterized in that: It also includes a hydraulic buffer rod, which is fixed to the bottom of the power box.

10. The machine for cleaning iron oxide scale from steel plate surface according to claim 9, characterized in that: It also includes an anti-skid pad, which is fixed to the bottom of the hydraulic buffer rod. The anti-skid pad is circular in shape, and a plurality of groups of annular patterns are arranged on the bottom of the anti-skid pad.

Citation Information

Patent Citations

  • Steel-plate iron oxide scale clearing device

    CN201231440Y

  • Steel plate surface rust removal device for machining

    CN212947145U

  • Device for removing steel plate scale through steel wire roller

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